CN102156238A - Device and method for testing short circuit and open circuit of flexible flat cable (FFC) - Google Patents
Device and method for testing short circuit and open circuit of flexible flat cable (FFC) Download PDFInfo
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- CN102156238A CN102156238A CN2011100610206A CN201110061020A CN102156238A CN 102156238 A CN102156238 A CN 102156238A CN 2011100610206 A CN2011100610206 A CN 2011100610206A CN 201110061020 A CN201110061020 A CN 201110061020A CN 102156238 A CN102156238 A CN 102156238A
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- flat cable
- flexible flat
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Abstract
The invention provides a device and a method for testing short circuit and open circuit of a flexible flat cable (FFC). The device comprises a bottom plate and a test device body which is positioned on the bottom plate, wherein a light-emitting diode (LED) indicating lamp is arranged above the test device body; left and right probes are arranged above the bottom plate and in front of the test device body; a set of sliding sleeves and guide posts is arranged at a connection part of the left and right probes and the test device body; and a buzzer is also arranged on the bottom plate. In the invention, the short circuit and open circuit tests of the FFC are realized by testing the left and right probes, the indicating lamp and the buzzer on the device, so that the electric performance of the FFC is guaranteed; meanwhile, the coiled FFC prior to being sliced can be tested, so that test efficiency is improved to a large extent relative to each piece of individual test.
Description
Technical field
The present invention relates to the flexible flat cable field, relate in particular to a kind of flexible flat cable short circuit and out of circuit test device and method.
Background technology
(Flexible Flat Cable is that assembly is used in a kind of signal transmission FFC) to flexible flat cable, itself has and can therefore be used in widely in many electronic products arbitrarily around advantages such as song, high signal transmission.This flexible flat cable is to use with the electric power connector collocation, so that signal is passed to the other end by an end, reaches the purpose that signal transmits.
The electric performance test of existing flexible flat cable generally by manually flexible flat cable being carried out short circuit and out of circuit test, and can only be tested every pcs separately.To a certain extent, both increase cost of labor, reduced testing efficiency again.
Summary of the invention
The object of the present invention is to provide a kind of flexible flat cable short circuit and out of circuit test device, can guarantee the electric property of FFC flexible flat cable.
Another object of the present invention is to provide a kind of flexible flat cable short circuit and out of circuit test method, can the web-like FFC before not cutting into slices be tested, thereby promoted testing efficiency greatly.
The objective of the invention is to be achieved through the following technical solutions.
A kind of flexible flat cable short circuit and out of circuit test device, comprise: base plate, be positioned at proving installation main body on the base plate, proving installation main body top be provided with LED light, above base plate and proving installation main body dead ahead be provided with left and right probe, the connecting portion of described left and right probe and proving installation main body is one group of sliding sleeve and guide pillar, also is provided with hummer on base plate.
Preferably, described proving installation main body dead ahead is provided with left and right quick folder, and left and right quick folder one end is fixed on the proving installation main body, and the other end is an active state.
Preferably, be provided with a connecting rod between described left and right quick folder and the left and right probe, connecting rod is with the mobile and upper and lower operation of left and right quick folder.
Further, described sliding sleeve and guide pillar are the structure of an activity, and when upper and lower the shaking of left and right quick folder, connecting rod drives probe, by guide pillar and cooperating of sliding sleeve carrying out upper and lower to-and-fro movement.
Preferably, the place ahead of described left and right probe also correspondence is provided with left and right locating platform, and left and right locating platform is positioned on the base plate.
A kind of flexible flat cable short circuit and out of circuit test method comprise:
The first step: short-circuit test, FFC flexible flat cable front terminal to be measured is placed the top of left locating platform and location, make the golden finger and the corresponding one by one contact of proving installation left side probe of flexible flat cable front terminal; Confirm whether hummer reports to the police, as reporting to the police, then corresponding pilot lamp is bright, confirms that according to the pilot lamp numbering short-circuit conductor overhauls processing;
Second step: out of circuit test, FFC flexible flat cable rear terminal to be measured is placed the top of right locating platform and location, make the golden finger and the corresponding one by one contact of the right probe of proving installation of flexible flat cable rear terminal; If flexible flat cable does not have and opens circuit, corresponding pilot lamp is bright; If flexible flat cable has and opens circuit, corresponding pilot lamp is in and extinguishes state.
Preferably, also comprise in the described first step: depress left side folder fast, left probe is closely contacted with the golden finger of flexible flat cable front terminal.
Preferably, also comprise in described second step: depress right folder fast, right probe is closely contacted with the golden finger of flexible flat cable rear terminal.
Further, in described second step, if flexible flat cable has and opens circuit, corresponding pilot lamp is in and extinguishes state, confirms the conductor situation that opens circuit according to led status again, overhauls processing.
The embodiment of the invention compared with prior art, beneficial effect is: the present invention realizes short circuit and out of circuit test to the FFC flexible flat cable by left and right sides probe on the proving installation, pilot lamp and hummer, thereby guaranteed the electric property of FFC flexible flat cable, can the web-like FFC before not cutting into slices be tested simultaneously, independent relatively every pcs tests, and has largely promoted testing efficiency.
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Description of drawings
Fig. 1 is a proving installation structural representation of the present invention;
Fig. 2 is a web-like FFC flexible flat cable synoptic diagram;
Fig. 3 is a proving installation circuit diagram of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also shown in Figure 1, comprise: base plate 9, be positioned at the proving installation main body 8 on the base plate 9, proving installation main body 8 tops are provided with LED light 1, proving installation main body 8 dead aheads are provided with a left side, right folder (2 fast, 5), a left side, right folder (2 fast, 5) end is fixed on the proving installation main body 8, the other end can be gone up, under shake, above base plate 9, reach proving installation main body 8 dead aheads and be provided with a left side, right probe (3,6), a left side, right probe (3,6) connecting portion with proving installation main body 8 is one group of sliding sleeve and guide pillar, it is a stable structure that guide pillar is fixed on the proving installation main body 8, not movable, sliding sleeve and probe are a stable structure, also are Immobile.
A left side fast folder 2 is connected with left probe 3, can drive left probe 3 correspondences by the upper and lower activity of controlling quick folder 2 and rise and descend; Right folder fast 5 is connected with right probe 6, can drive right probe 6 correspondences by the upper and lower activity of controlling quick folder 5 and rise and descend; Between left and right quick folder (2,5) and the left and right probe (3,6) connecting rod is arranged, when quick folder is upper and lower when shaking, connecting rod can upper and lower thereupon operation, thereby drives the upper and lower operation of probe.
Sliding sleeve and guide pillar are the structure of an activity, when quick folder is upper and lower when shaking, and drivening rod, connecting rod drives probe, by guide pillar and cooperating of probe carrying out upper and lower to-and-fro movement.
The place ahead that is close to left and right probe (3,6) also correspondence is provided with left and right locating platform (4,7), and left and right locating platform (4,7) also is positioned on the base plate 9; On base plate 9, also be provided with hummer 10; Among Fig. 2,11 is FFC flexible flat cable front terminal, and 12 is FFC flexible flat cable rear terminal to be measured.
Its course of work is as follows:
Short-circuit test: open the proving installation power supply, FFC flexible flat cable front terminal 11 to be measured is placed the top of left locating platform 4 and location, make the golden finger of FFC flexible flat cable front terminal 11 corresponding one by one with proving installation left side probe 3.Depress left side folder 2 fast, left probe 3 is closely contacted with the golden finger of FFC flexible flat cable front terminal 11.Confirm whether hummer 10 reports to the police, and if any warning, represents that tested FFC flexible flat cable has short circuit, this moment, corresponding pilot lamp 1 can be bright, confirms the conductor short-circuit state according to the pilot lamp numbering again, overhauls processing according to situation.
Out of circuit test: FFC flexible flat cable rear terminal 12 to be measured is placed the top of right locating platform 7 and location, make the golden finger of FFC flexible flat cable rear terminal 12 corresponding one by one with the right probe 6 of proving installation.Depress right folder 5 fast, right probe 6 is closely contacted with the golden finger of FFC flexible flat cable rear terminal 12.At this moment, if the soft conductor of FFC has do not open circuit, corresponding pilot lamp can be bright, if the soft conductor of FFC has opens circuit, and corresponding pilot lamp is in and extinguishes state.Confirm that according to red led which conductor has the situation of opening circuit, and overhauls processing according to situation again.
Among the present invention, when out of circuit test, must be under tested FFC flexible flat cable has the prerequisite of short circuit, not carry out, and must be with head and the tail two of left and right sides probe stationary product.
See also shown in Figure 3ly, be proving installation circuit diagram of the present invention, by transformer T1 with the alternating current 220V step-down for exchanging the safe voltage of 24V, playing the purpose of protection tester's safety and product safety,
The secondary of transformer T1 links to each other with capacitor C 1 through bridge rectifier circuit S1, and capacitor C 1 is the electrochemical capacitor of 100V/10uF, obtains voltage galvanic current source after the rectification, to guarantee the stability of test effect.
The chief component of realizing test function is to be made up of a plurality of LED lamps, resistance R and diode, hummer SR1 and capacitor C 1, when short-circuit state occurring, will constitute a current return, the bright lamp of LED lantern festival that this moment is corresponding, and hummer SR1 can sound the alarm, and guarantees that unusual condition can tested personnel discovery in time and processing.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. flexible flat cable short circuit and out of circuit test device, it is characterized in that, comprise: base plate, be positioned at proving installation main body on the base plate, proving installation main body top be provided with LED light, above base plate and proving installation main body dead ahead be provided with left and right probe, the connecting portion of described left and right probe and proving installation main body is one group of sliding sleeve and guide pillar, also is provided with hummer on base plate.
2. flexible flat cable short circuit as claimed in claim 1 and out of circuit test device is characterized in that, described proving installation main body dead ahead is provided with left and right quick folder, and left and right quick folder one end is fixed on the proving installation main body, and the other end is an active state.
3. flexible flat cable short circuit as claimed in claim 2 and out of circuit test device is characterized in that, are provided with a connecting rod between described left and right quick folder and the left and right probe, and connecting rod is with the mobile and upper and lower operation of left and right quick folder.
4. as claim 1 to 3 each described flexible flat cable short circuit and out of circuit test device, it is characterized in that described sliding sleeve and guide pillar are the structure of an activity, when upper and lower the shaking of left and right quick folder, connecting rod drives probe, by guide pillar and cooperating of sliding sleeve carrying out upper and lower to-and-fro movement.
5. flexible flat cable short circuit as claimed in claim 4 and out of circuit test device is characterized in that, the place ahead of described left and right probe also correspondence is provided with left and right locating platform, and left and right locating platform is positioned on the base plate.
6. flexible flat cable short circuit and out of circuit test method is characterized in that, comprising:
The first step: short-circuit test, FFC flexible flat cable front terminal to be measured is placed the top of left locating platform and location, make the golden finger and the corresponding one by one contact of proving installation left side probe of flexible flat cable front terminal; Confirm whether hummer reports to the police, as reporting to the police, then corresponding pilot lamp is bright, confirms that according to the pilot lamp numbering short-circuit conductor overhauls processing;
Second step: out of circuit test, FFC flexible flat cable rear terminal to be measured is placed the top of right locating platform and location, make the golden finger and the corresponding one by one contact of the right probe of proving installation of flexible flat cable rear terminal; If flexible flat cable does not have and opens circuit, corresponding pilot lamp is bright; If flexible flat cable has and opens circuit, corresponding pilot lamp is in and extinguishes state.
7. flexible flat cable short circuit as claimed in claim 6 and out of circuit test method is characterized in that, also comprise in the described first step: depress left side folder fast, left probe is closely contacted with the golden finger of flexible flat cable front terminal.
8. flexible flat cable short circuit as claimed in claim 6 and out of circuit test method is characterized in that, also comprise in described second step: depress right folder fast, right probe is closely contacted with the golden finger of flexible flat cable rear terminal.
9. as claim 7 or 8 described flexible flat cable short circuit and out of circuit test methods, it is characterized in that, in described second step, if flexible flat cable has and opens circuit, corresponding pilot lamp is in and extinguishes state, confirms the conductor situation that opens circuit according to led status again, overhauls processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110061020 CN102156238B (en) | 2011-03-15 | 2011-03-15 | Device and method for testing short circuit and open circuit of flexible flat cable (FFC) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110061020 CN102156238B (en) | 2011-03-15 | 2011-03-15 | Device and method for testing short circuit and open circuit of flexible flat cable (FFC) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102156238A true CN102156238A (en) | 2011-08-17 |
| CN102156238B CN102156238B (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110061020 Expired - Fee Related CN102156238B (en) | 2011-03-15 | 2011-03-15 | Device and method for testing short circuit and open circuit of flexible flat cable (FFC) |
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| Country | Link |
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| CN (1) | CN102156238B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540002A (en) * | 2012-02-16 | 2012-07-04 | 杭州鸿雁智能科技有限公司 | Method for detecting open circuit and short circuit of line |
| CN103487710A (en) * | 2012-06-13 | 2014-01-01 | 易鼎股份有限公司 | Circuit testing vibrating device |
| CN105717412A (en) * | 2013-10-23 | 2016-06-29 | 刘伟华 | Portable circuit on-off detection tool |
| CN113805034A (en) * | 2020-06-12 | 2021-12-17 | 神讯电脑(昆山)有限公司 | Keyboard circuit board detection device with FFC winding displacement |
| CN114062840A (en) * | 2021-11-02 | 2022-02-18 | 上海御渡半导体科技有限公司 | Test device and test method for conduction of card connector of interface board of ATE (automatic test equipment) tester |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326162A (en) * | 1980-05-02 | 1982-04-20 | Hankey James H | Cable tester with first and second interengaging test modules |
| US4471293A (en) * | 1982-05-03 | 1984-09-11 | Otto Schnack | Multi-conductor cable test unit |
| CN2128744Y (en) * | 1992-06-25 | 1993-03-24 | 梁正奎 | Test instrument for multicore cable |
| CN101867107A (en) * | 2010-06-29 | 2010-10-20 | 昆山捷讯腾精密电子科技有限公司 | FPC (Flexible Printed Circuit) connector |
-
2011
- 2011-03-15 CN CN 201110061020 patent/CN102156238B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326162A (en) * | 1980-05-02 | 1982-04-20 | Hankey James H | Cable tester with first and second interengaging test modules |
| US4471293A (en) * | 1982-05-03 | 1984-09-11 | Otto Schnack | Multi-conductor cable test unit |
| CN2128744Y (en) * | 1992-06-25 | 1993-03-24 | 梁正奎 | Test instrument for multicore cable |
| CN101867107A (en) * | 2010-06-29 | 2010-10-20 | 昆山捷讯腾精密电子科技有限公司 | FPC (Flexible Printed Circuit) connector |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540002A (en) * | 2012-02-16 | 2012-07-04 | 杭州鸿雁智能科技有限公司 | Method for detecting open circuit and short circuit of line |
| CN103487710A (en) * | 2012-06-13 | 2014-01-01 | 易鼎股份有限公司 | Circuit testing vibrating device |
| CN103487710B (en) * | 2012-06-13 | 2016-09-28 | 易鼎股份有限公司 | Circuit test shaking device |
| CN105717412A (en) * | 2013-10-23 | 2016-06-29 | 刘伟华 | Portable circuit on-off detection tool |
| CN113805034A (en) * | 2020-06-12 | 2021-12-17 | 神讯电脑(昆山)有限公司 | Keyboard circuit board detection device with FFC winding displacement |
| CN113805034B (en) * | 2020-06-12 | 2024-03-19 | 神讯电脑(昆山)有限公司 | Keyboard circuit board detection device with FFC flat cable |
| CN114062840A (en) * | 2021-11-02 | 2022-02-18 | 上海御渡半导体科技有限公司 | Test device and test method for conduction of card connector of interface board of ATE (automatic test equipment) tester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102156238B (en) | 2013-06-26 |
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Granted publication date: 20130626 Termination date: 20190315 |